Description
The JEBS High Voltage choke tube is built for hunters who want to squeeze every bit of reach and pattern density out of their 12 gauge. This one is set up for the Benelli/Beretta Mobil system, which also covers Benelli Standard and Franchi Standard barrels, and it carries a .685 constriction. In JEBS's own pattern-based nomenclature that puts it right around a Full, and the patented interior bore is designed to line pellets up into a tight, distinct, shortened shot-stream that hits with real knock-down power downrange.
One of the things people appreciate about the High Voltage line is how flexible it is with ammo. It's made to run steel, lead, bismuth, and just about any other shot you feel like loading, so you're not locked into one type of shell. Hunters running it report clean, even patterns across a wide range of distances, from ducks decoying in close to birds trying to sneak out past 40 yards. The ported design helps tame muzzle jump so your follow-up shots stay on target.
Why the Black Nitride Finish Matters on This High Voltage Tube
The Black Nitride treatment isn't just for looks, though it does look sharp in that deep black. The process adds lubricity, fights corrosion, and boosts wear resistance, coming in around 82 on the Rockwell scale. For a tube that lives in a wet marsh or a muddy blind bag, that kind of durability pays off season after season.
Getting the Most Out of Your JEBS High Voltage Choke
As with any choke, patterning your specific gun and load is the smart move. JEBS bases its choke labels on pattern percentages with steel at 40 yards rather than raw constriction numbers, so what shoots tight in one barrel might open up a touch in another. Spend an afternoon on paper with the shells you actually hunt with, and you'll know exactly what this tube does before opening day. Proudly made in the USA out of Hazlehurst, Georgia.
Key Specifications
- Gauge: 12 ga
- Constriction: .685
- Choke Designation: Full (JEBS pattern-based rating)
- Choke System: Benelli/Beretta Mobil (also Benelli Standard, Franchi Standard)
- Finish: Black Nitride
- Design: Ported
- Shot Compatibility: Steel, lead, bismuth and other common shot types
- Hardness: Approximately 82 on the Rockwell scale
- Country of Origin: USA (Hazlehurst, GA)
- Manufacturer: JEBS Choke Tubes
- Manufacturer Part Number: JPCBN-12F2/685
- UPC: 640970859514
What’s Included
- JEBS High Voltage choke tube (1)
Frequently Asked Questions
What choke constriction is the JEBS High Voltage .685 equivalent to?
JEBS labels this .685 tube as a Full in its pattern-based system, which is built around pattern percentages with steel shot at 40 yards rather than raw constriction numbers. In practice it throws a tight, dense pattern that many hunters find reaches a bit past a typical factory Modified. Since every barrel is different, patterning your own gun is the best way to confirm exactly how it performs.
Will this JEBS High Voltage choke fit my shotgun?
This model is cut for the Benelli/Beretta Mobil choke system, which also covers Benelli Standard and Franchi Standard barrels. If your shotgun uses the Mobil threading, it will thread right in. When in doubt, check your owner's manual or the JEBS interchange guide to confirm your gun's choke pattern.
Can I shoot steel and bismuth through the High Voltage tube?
Yes. The High Voltage line is designed to handle steel, lead, bismuth, and other common shot types, so you're free to run whatever load your hunt calls for. That flexibility is a big part of why it's popular with waterfowlers who switch between shot materials.
Is the Black Nitride finish worth it over the matte version?
The Black Nitride treatment adds lubricity, corrosion resistance, and wear resistance, landing around 82 on the Rockwell scale. For a choke that spends time in wet, muddy waterfowl conditions, that extra durability is a real advantage. It also gives the tube a clean, deep black look.





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